Lightning and track conditions has brought the Mobil 1 Twelve Hours of Sebring to a halt with just over nine hours remaining.
Action Express Racing currently leads overall with Christian Fittipaldi behind the wheel.
Dane Cameron is second in the team car, with Jordan Taylor completing the top-three for Wayne Taylor Racing.
The Stephen Simpson-piloted No. 85 JDC-Miller Motorsport entry leads in Prototype Challenge.
Nick Tandy’s No. 911 Porsche 911 RSR leads GT Le Mans, with Mario Farnbacher’s No. 23 The Heart of Racing Porsche 911 GT3 R topping the order in GT Daytona.
Trouble struck the Ford Chip Ganassi Racing camp a few minutes before the red flag when the No. 66 Ford GT ran wide entering Turn 1 and nosed into the tire barrier.
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Dirk Mueller was at the controls at the time of the accident and has been evaluated and released from the care center.
That incident brought out the fourth full-course caution of the race prior to the red.
Severe weather is expected to soon pass through the Sebring area over the next 60 minutes with spectators urged to seek shelter.